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Polymorphism in Java

Polymorphism in Java allows objects to take on multiple forms through interfaces and abstract classes.
Interfaces define a contract and allow multiple classes to implement the same set of methods.
Abstract classes provide a base implementation that can be inherited by subclasses.
Understanding the differences between interfaces and abstract classes is essential for writing flexible and reusable code in Java.

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Medium

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The Scramble for Purpose in the Age of AI

Artificial Intelligence (AI) is evolving into an autonomous craftsman, capable of writing its own code and designing systems beyond human comprehension.
AI models such as GPT-4, Copilot, and AutoML can perform tasks previously done by software engineers, raising questions about the future role of engineers.
The traditional notion of 'learning to code' as a safeguard for job security is eroding, and engineers will need to adapt or risk becoming obsolete.
The future of software engineering may involve shifting from programmers to curators, supervisors, and strategists, guiding the code rather than writing it.

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Medium

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The Dawn of AI in 2025: Transformative Impacts on Our Daily Lives

Artificial intelligence (AI) has become an integral part of our daily lives in 2025.
AI has penetrated every industry and is reshaping how we work, learn, play, and connect.
The AI revolution brings great promise and challenges, requiring understanding and responsibility.
AI systems have seamlessly integrated into our daily routines, offering natural and intuitive experiences.

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Medium

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Google launched Column Granularity for BigQuery

Google has introduced column granularity for BigQuery search indexes.
Column granularity allows BigQuery to optimize search queries by storing additional column information in the search index.
By setting the column granularity for an indexed column, you can improve search query performance.
The new feature helps reduce costs and speed up queries for BigQuery users.

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Medium

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10 Common Mistakes Beginner Node.js Developers Should Steer Clear Of

Running outdated packages with known vulnerabilities.
Cramming everything into one chaotic folder.
Failing to lock down endpoints, leaving them open to anyone.
Running unoptimized queries that bog down performance.

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Medium

How to disable / deactivate embedded ActiveMQ Classic in Apache TomEE 9.x?

Apache TomEE is a streamlined implementation of the Java EE platform, known for its ease of use and minimal footprint.
TomEE inherently supports various messaging systems through its Java Message Service (JMS) implementation, including ActiveMQ Classic.
The integration process of ActiveMQ Classic with TomEE involves installation, configuration, and creating a JMS connection factory.
Troubleshooting common issues, optimizing message delivery, and implementing security measures are key for achieving optimal performance and reliability.

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Dev

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Installing Python dependencies in AWS Lambda: easy pip guide

AWS Lambda lacks built-in dependency management.
Method 1: Installing a pip package inside the Lambda function.
Method 2: Creating Lambda layers.
Considerations and limitations of both methods.

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Dev

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Mastering Structured Logging in Go: A Developer's Guide to Better Observability

Structured logging in Golang provides critical observability for applications, moving beyond traditional text-based logs to searchable JSON objects with consistent fields.
Popular logging libraries in Go include Zap, Zerolog, Logrus, and slog, each offering unique strengths.
Setting up a Zap logger in Go involves configuring the logger based on the environment.
Creating a logger wrapper ensures consistent log structure and simplifies logging usage in applications.
Context propagation for request tracing in distributed systems helps track requests through various application components.
In microservices, adding service-specific fields like service name and version enhances troubleshooting across services.
Integrating middleware for request logging automates logging of HTTP requests and aids in traceability.
Advanced Zap configuration allows fine-tuning for production needs, including log sampling and adding stack traces to error logs.
Integrating with third-party systems like ELK or cloud providers involves adding cloud-specific fields to facilitate filtering and tracing in distributed environments.
Logging best practices include focusing on actionable information, using consistent field names, choosing appropriate log levels, including context data, and handling sensitive data securely.
Performance considerations for logging include avoiding expensive serialization, choosing the right logger for performance, implementing sampling and async logging, and benchmarking logging impact on application performance.

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Medium

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XFI Foundation – Driving Innovation Through Community and Collaboration

The XFI Foundation serves as the backbone of the CrossFi ecosystem, offering resources and incentives to developers and projects that contribute to the platform's growth.
It operates as a bridge between the technical and user communities, aligning the needs of developers, investors, and users to create an environment for blockchain technology to thrive.
The foundation's grant program supports developers aligning with CrossFi's goals, fostering creativity and innovation in projects within the ecosystem.
Incentives like access to CrossFi's blockchain and tools encourage developers to create decentralized applications using advanced technology.
Organizing hackathons is a key strategy of the XFI Foundation to drive collaboration and innovation within the CrossFi ecosystem.
The foundation engages with the community through educational outreach programs, providing resources to understand blockchain technology and utilize the CrossFi platform effectively.
By fostering partnerships with other blockchain platforms and organizations, the XFI Foundation expands the CrossFi ecosystem's capabilities and reach.
Transparency, accountability, and long-term sustainability are focal points for the foundation, ensuring the ecosystem evolves alongside industry trends.
Investment in educational outreach simplifies blockchain concepts, making them approachable for new users and cultivating adoption within the ecosystem.
Community engagement through events like hackathons and meetups strengthens connections, showcases advancements, and fosters a sense of community pride.

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Dev

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5 TestContainers Strategies That Revolutionize Java Integration Testing

Testing is crucial in software development, especially for complex systems, and TestContainers revolutionizes Java integration testing by providing lightweight, disposable containers for various services using Docker.
TestContainers dynamically creates isolated environments mimicking production dependencies, offering advantages like running tests against real services, isolated and reproducible environments, and automatic cleanup after testing.
Strategies like creating reproducible test environments by defining container configurations in code ensure consistency across different setups and facilitate pre-populating databases for testing.
Composing containers for testing microservice and service interactions using shared networks or specific configurations helps simulate realistic service interactions and ensures all components work together.
Specialized modules in TestContainers for databases, message brokers, and web applications simplify testing specific technologies by providing optimized configurations and methods.
Optimizing test execution time with strategies like container reuse, disabling cleanup in CI environments, and parallel test execution ensures efficient testing without sacrificing coverage.
Advanced testing scenarios like data migration testing, fault tolerance testing, and performance testing using TestContainers help verify complex scenarios and build resilient systems.
While TestContainers offers significant benefits, practical considerations like Docker setup, slower tests than mocks, resource usage, and CI environment configurations should be taken into account.
Implementing the outlined strategies in projects can lead to more effective integration testing, early issue detection, and increased confidence in application behavior when interacting with real-world dependencies.

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Medium

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We build HMPL to help developers make web apps smaller in size

HMPL is a template language that allows developers to describe API paths directly in HTML markup.
A gallery application utilizing HMPL was created to showcase dynamic content delivery on the server.
Comparing the code sizes of two applications with the same UI, HMPL proves to help make web apps smaller.
HMPL is available for installation via the Node Package Manager (npm) or can be included through a Content Delivery Network (CDN).

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Medium

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How Developers Use These Sneaky Loopholes to Rip You Off

Developers often use sneaky loopholes to take advantage of inattentive clients and those who are not knowledgeable in technical matters.
One example is contractors setting preliminary deadlines but reserving the right to unilaterally extend the development timelines, leaving clients potentially waiting for over a year instead of the agreed-upon month.
To avoid falling into such traps, clients can set strict time frames and include clauses that consider delays caused by the client in the total work period.
It is crucial for clients to fully understand the terms and conditions before signing any contract and seek legal advice if necessary.

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Medium

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SapFix: Inside Facebook’s Groundbreaking AI That Automatically Fixs Bugs in Millions of Lines of…

Facebook (now Meta) has deployed SapFix, an automated bug fixing system.
SapFix is an end-to-end deployment of automated bug fixing, from crash detection to proposed patches.
It is designed to fix various types of software bugs and reduce the cost of software development.
SapFix marks a significant advancement in the future of software development.

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Silicon

172

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Google Brings Android Development In-House In Major Shift

Google has confirmed it will be taking the development of Android entirely in-house, which is a significant change for the open-source mobile operating system.
Key components of Android that were previously developed in public on the Android Open Source Project (AOSP) branch will now be developed on Google's internal branch.
This change is aimed at streamlining development by eliminating the need for Google to merge the AOSP and internal branches for each final release.
The shift has raised concerns about technological fragmentation and the development of competing operating systems, such as Huawei's HarmonyOS.

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Medium

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RentFi: Revolutionizing Real Estate Investment with Blockchain Technology

RentFi is revolutionizing real estate investment with blockchain technology.
RentFi focuses on properties across North America, Latin America, and Europe to provide investors with exposure to multiple real estate markets.
The platform leverages blockchain technology through the use of RENT tokens, which offer streamlined and efficient investment opportunities.
RentFi stands out by providing a more liquid and accessible option for investors, while eliminating the inefficiencies of traditional real estate transactions.

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